Medical Quiz

DNA Replication Quiz


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Which organelle is DNA usually found in?
A. cell membrane
B. vacuole
C. chloroplast
D. nucleus


Match he nucleotide with its complementary nucleotide. (DNA to DNA).

Cytosine-
_
A. Thymine

B. Guanine

C. Adenine


DNA replication results in two DNA molecules,
A. each one with two original strands
B. each one with two new strands
C. each one with one new strand and one original strand
D. one with two new strands and the other with two original strands


A process in which DNA has the unique ability to make an exact copy of itself.
A. Replication
B. Translation
C. Transcription


What term names the process during which DNA is copied prior to cell division?
A. DNA polymerase
B. DNA replication
C. DNA regneration
D. DNA redistribution


The picture below shows an enzyme unwinding and unzipping DNA.

​​What is the name of this enzyme?
_
A. DNA Helicase

B. DNA Ligase

C. DNA polyermase

D. RNA Polymerase


Match he nucleotide with its complementary nucleotide. (DNA to DNA).

Adenine –
_
A. Thymine

B. Guanine

C. Cytosine


Describes the twisted ladder-like shape of a DNA molecule
A. Nitrogen Base
B. Hexagon
C. Double Helix


Which enzyme is responsible for adding the free nucleotides to the replicating DNA? ​

A. DNA Helicase

B. DNA Ligase

C. DNA polyermase

D. RNA Polymerase


The picture below shows the steps of DNA replication beginning with step one and ending with step three.

​Because you are reusing the old, or parent, DNA strand DNA replication is said to be
_
A. Semi- Conservative

B. Semi-discontinuous

C. Continuous

D. Fully-Conserveative


What are the 4 nitrogen bases?
A. adenine, thymine, cytoplasm, and guanine
B. adenine, thymine cytosine, and guanine
C. adenine, thymine, cytosine, and gylcerol
D. adenine, thymine, cytosine, and glucose


The enzyme that unzips the DNA to prepare for replication
A. helicase
B. replicase
C. polymerase
D. synthase


Which letter in the picture below depicts the lagging strand in DNA replication?

A. A

B. C

C. B

D. None of the above


This image shows that DNA Replication is _______.
A. Conservative
B. Semiconservative
C. Dispersive
D. Spontaneous


Okazaki fragments appear on which strand of DNA during DNA replication?

A. lagging

B. leading


The directionality of DNA is said to be ___________, because it is side by side by goes in opposite directions.

A. Anti-directional

B. Parallel

C. Anti-parallel

D. Anti-uniform


Why is DNA important?
A. it is very small and very complicated
B. it’s in everything
C. it serves as the blueprint for traits of all living things
D. because we eat it every day for energy


Which is the third step?

A. DNA Helicase unwinds original DNA strand

B. RNA Primase lays down RNA primer for new nucleotide bases.

C. DNA polymerase builds new strands by bring in new nucleotide bases.

D. Ligase knits together fragments on lagging strand


Which letter in the picture below depicts the leading strand in DNA replication?

A. A

B. C

C. B

D. None of the above


Which is the second step?

A. DNA Helicase unwinds original DNA strand

B. RNA Primase lays down RNA primer for new nucleotide bases.

C. DNA polymerase builds new strands by bring in new nucleotide bases.

D. Ligase knits together fragments on lagging strand


Which enzyme is responsible for adding nucleotides?
A. Topoisomerase
B. DNA Polymerase
C. Ligase
D. Primase


Which is the first step?

A. DNA Helicase unwinds original DNA strand

B. RNA Primase lays down RNA primer for new nucleotide bases.

C. DNA polymerase builds new strands by bring in new nucleotide bases.

D. Ligase knits together fragments on lagging strand




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